NOTE: The prequel to my question has been answered before here
In the case of the question linked above, the author's code was available. But I would like to know if it is possible to reveal the code ...

I have written a code that uses a guessed eigenvector (avecs) to construct a Hamiltonian (my hamiltonian depends on its own eigenvectors, so I can not solve it directly and I need to use iteration (...

I'm trying to understand the Wolfram language and copied some examples from the documentation into a workbook and then tried to work through examples of my own. I'm attempting to evaluate a function ...

In a previous post we saw how we can create animated snowfall. So, I was wandering what else, related to Christmas, we can do with Mathematica? Perhaps, drawing a tree full of ornaments and lights...
...

I need to transform a function from Mathematica to Fortran77. An internal program FortranForm gives some result, but it works incorrectly in Fortran77. The string must start a 7th column and finish at ...

I have been playing with slightly above trivial code manipulations in Mathematica. I thought Mathematica would be great for this kind of work because of rule replacement and expression manipulation, ...

I have another question that i need to ask. I have been struggling in making the graphs for pressure rise per wavelenth. my equation for pressure rise per wavelength is:
$Δp=∫_0^¹∫_0^¹(((∂p)/(∂x)))_{...

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